Mattole Road over Indian Creek
GoodHumboldt County, California · 4.5 MI S/O Petrolia · Structure no. 04C0256
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 240
- 1992 count
- Owner
- County
- County Highway Agency
About this bridge
Mattole Road over Indian Creek is a concrete slab carrying Mattole Road over Indian Creek in Humboldt County, California. It was built in 2010, so it is 15 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 240 vehicles a day, roughly 5% of them trucks, projected to reach 524 by 2042. The structure is 46 ft (14.1 m) long and 33 ft wide. If it were closed, the detour would be 90.7 mi (146 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mattole Road over Indian Creek built?
It was built in 2010, making it 15 years old in 2025.
What condition is Mattole Road over Indian Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does Mattole Road over Indian Creek carry?
About 240 vehicles per day (1992 count), of which roughly 5% are trucks.
How long is Mattole Road over Indian Creek?
The structure is 46 ft (14.1 m) long with a longest span of 43 ft (13.1 m) and a deck 33 ft wide.
Who owns Mattole Road over Indian Creek?
It is owned by the County Highway Agency.